Browser keyboard check

Keyboard Tester

Press keys and see which physical key codes your browser receives. Check held keys, tested keys, modifiers, and event details without uploading anything.

Export

Ready

Tested 0 / 0

Events 0

Held 0

Test your keyboard

The visual map uses common physical key codes. International and laptop layouts can differ.

Select Start testing Then press keys while this test area has focus. Click here anytime to refocus

Browser limit: some Fn, media, brightness, power, accessibility, and operating-system shortcut keys may not emit normal browser keyboard events. Browser shortcuts can still trigger while you test combinations.

Result

Review the latest browser event and your test coverage.

No key yet Waiting

Code: —
Location: —
Modifiers: None
Repeat: No

Mapped keys tested0%

Key history

Your most recent key events will appear here.

Keys not tested yet

How to use this tester

1. Start testing

Select Start testing, then press one key at a time. A detected key is marked on the visual map.

2. Check key events

Compare the browser’s key value with its physical code. Modifier states and repeats are shown in the Result area.

3. Review coverage

Use Tested, Key history, and Keys not tested yet to find missed keys. Reset when you want to begin a fresh pass.

Runs in this browser. No upload by this tool. Key events stay in the current page session unless you choose Copy or Export. Review exported data before sharing.